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Finding the Fourth Proportional to 161,755,532.20, 242,633,298.30 and 161,755,532.20

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Solution

The fourth proportional to 161,755,532.20, 242,633,298.30 and 161,755,532.20 is: 242,633,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,755,532.20 : 242,633,298.30 = 161,755,532.20 : x
  2. Step 2: Convert to fraction form
    161,755,532.20/242,633,298.30 = 161,755,532.20/x
  3. Step 3: Cross multiply
    161,755,532.20x = 242,633,298.30 × 161,755,532.20
  4. Step 4: Simplify right side
    161,755,532.20x = 39,247,278,295,957,856
  5. Step 5: Solve for x
    x = 39,247,278,295,957,856/161,755,532.20
  6. Step 6: Final answer
    x = 242,633,298.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.